Demethylzeylasteral Composition for Glucocorticoid-Linked Muscle Loss

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Solution Overview

Problem

Current treatments for sarcopenia and other muscle-wasting diseases are inadequate, and there is a need for a pharmaceutical composition that can prevent or treat muscle loss by addressing hormonal imbalances and muscle degradation.

Innovation Solution

A pharmaceutical composition containing demethylzeylasteral, a triterpenoid compound, acts as an antagonist of the glucocorticoid receptor, regulating gene transcription and promoting muscle differentiation while inhibiting muscle degradation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If glucocorticoid levels are increased to treat inflammation or immune conditions, then immune response is enhanced, but muscle mass and strength deteriorate due to activation of atrophy genes

Engineering Contradiction:
Improveimmune responseVSAvoidmuscle strength
Core Design Contradiction:
ReliabilityVSStrength

Solution Approach 1:

The patent introduces a glucocorticoid receptor antagonist as an intermediary substance that blocks the harmful effects of glucocorticoids on muscle tissue while allowing the glucocorticoids to continue functioning in the immune system. This mediator prevents the activation of atrophy genes (atrogin1, MuRF1) in muscle cells, thereby protecting muscle mass and strength while maintaining immune response.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent applies local quality by targeting the specific interaction between glucocorticoids and muscle tissue through the glucocorticoid receptor antagonist. The antagonist is selectively active in muscle tissue to prevent local muscle degradation, while the glucocorticoids can still exert their systemic immune effects. This localized intervention protects muscle without compromising overall immune function.

Inventive Principle:
Principle #3Local quality

2Strength

If glucocorticoid receptor antagonists are used to protect muscle mass, then muscle degradation is inhibited, but the complexity of the pharmaceutical composition increases

Engineering Contradiction:
Improvemuscle massVSAvoidpharmaceutical composition complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The patent employs parameter changes by modifying the chemical structure of the glucocorticoid receptor antagonist to optimize its binding affinity and selectivity. By adjusting molecular parameters such as the presence of specific functional groups (e.g., hydroxyl, carbonyl, carboxyl groups) and steric configurations, the compound achieves high potency and specificity for the glucocorticoid receptor, thereby protecting muscle mass with a well-defined molecular mechanism that manages composition complexity.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Demethylzeylasteral effectively transforms myoblasts into myotubes, promotes muscle differentiation, and inhibits muscle degradation, providing a therapeutic and preventive effect against muscle-wasting diseases.

Implementation Method 1

acts as an antagonist of the glucocorticoid receptor, regulating gene transcription and promoting muscle differentiation while inhibiting muscle degradation

Methodology Applied
Scientific EffectGene transcription regulation:

Data Source

PatentUS20250375401A1Pharmaceutical composition containing demethylzeylasteral for prevention or treatment of diseases caused by muscle loss
Publication Date: 2025.12.11 SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
  • US20250375401A1 patent drawing
  • US20250375401A1 patent drawing
  • US20250375401A1 patent drawing

AI summary

A method for ameliorating or treating a disease caused by muscle loss includes administering a composition including a compound represented by Formula 1 or a salt thereof to a subject in need thereof. The disease caused by muscle loss may be sarcopenia, muscular dystrophy, myasthenia, myodystrophia, myotonia, muscular hypotonia, muscular weakness, myotonic dystrophy, amyotrophic lateral sclerosis, and/or myasthenia gravis.